package com.commonly.calendars;

import java.util.Calendar;

public class AddMinutesToCurrentDate {
	public static void main(String[] args) {

		// create Calendar instance
		Calendar now = Calendar.getInstance();

		System.out.println("Current time : " + now.get(Calendar.HOUR_OF_DAY)
				+ ":" + now.get(Calendar.MINUTE) + ":"
				+ now.get(Calendar.SECOND));

		// add minutes to current date using Calendar.add method
		now.add(Calendar.MINUTE, 20);

		System.out.println("New time after adding 20 minutes : "
				+ now.get(Calendar.HOUR_OF_DAY) + ":"
				+ now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND));

		/*
		 * Java Calendar class automatically adjust the date or hour accordingly
		 * if adding minutes to the current time causes current hour or date to
		 * be changed.
		 */

		// substract minutes from current date using Calendar.add method
		now = Calendar.getInstance();
		now.add(Calendar.MINUTE, -50);

		System.out.println("Time before 50 minutes : "
				+ now.get(Calendar.HOUR_OF_DAY) + ":"
				+ now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND));

	}
}
